John Deere reel finger hub AH171602The part is available in machines:
1450WTS0 1450CWS, 1550CWS, 1550WTS, 6068HCQ81, 6068HCQ82, 6068HCQ60, 6068HCQ61, 600, 625R, 635F, 622R , 625F, 630R, 620R, 630F, 622F, 620F, 618F, 615F, 635R, 615R, 600, 630R, 618R, 620F, 622R, 616R, 635F, 618F, 625F, 620R, 625R, 622F, 635R, 614R, 615P, 615R, 616R, 616F, 61 8F, 618R, 620, 620R, 622, 622X, 625, 630, 630D and many others.